Historical clue formulations

• "Cya" — 2024-02-17
• Texter's sign-off — 2023-12-05
• Texter's toodle-oo — 2023-06-25
• "Until next time," in a text — 2023-04-04
• "Cya!" — 2022-10-09
• "Chat another time!" in an I.M. — 2022-06-05
• "Bye 4 now!" — 2022-04-24
• Texter's sign-off — 2021-11-10
• "G2G" — 2021-09-10
• Texter's farewell — 2021-07-22
• Equivalent of "cya" in a text — 2020-11-27
• Texter's "ciao" — 2019-12-15
• "Until next time," in a text — 2019-11-30
• "Bye for now," in a text — 2019-08-12
• Texter's bye-bye — 2019-03-03
• Texter's valediction — 2018-10-20
• Texter's sign-off — 2018-07-08
• "Gotta run," in a text — 2018-01-02
• "Gotta go," in textspeak — 2017-11-30
• "So long," for short — 2017-06-11
• Texter's "ciao" — 2016-10-26
• "Bye for now," in textspeak — 2015-02-15
• What best-selling 2004 young adult novel was written entirely in the form of instant messages? — 2014-06-19
• Modern farewell letters — 2014-04-26
• Texting ta-ta — 2014-01-31
• Texter's ta-ta — 2013-05-26
• Texter's "bye now" — 2012-12-01
• Texter's "ciao" — 2012-11-18
• "Gotta go," in chat rooms — 2011-08-28